RCE in Astun Technology Ishare Maps

CVE-2025-5378

A vulnerability classified as problematic has been found in Astun Technology iShare Maps 5.4.0. This affects an unknown part of the file mycouncil2.aspx. The manipulation of the argument atTxtStreet leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-5378: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
  • vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-5378?
CVE-2025-5378 is a medium-severity vulnerability in Astun Technology Ishare Maps, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2025-05-31.
How severe is CVE-2025-5378?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-5378 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.